BA 812 then SK 2773 at Copenhagen
London Heathrow → Copenhagen → Porto
Timetable, Copenhagen time
14:20BA 812 from London Heathrow at the gate
09:35SK 2773 to Porto leaves the gate
19 h 15 apart on the timetable, overnight
SK 2773 leaves 19 h 15 after BA 812 arrives on the timetable: more than half a day, so not a connection we count.